Select this if you wish to install the patcher and vanilla meshes. Note: These are REQUIRED for the mod to function! The option to disable this is provided to install mod compatibility packs as a separate mod in tools such as Mod Organizer.
Select this if you wish to install compatibility packs for various mods. If using the MO External Installer or NMM that any installed mods with plugins in your load order will be automatically selected for you.